Remove Newberry way that was replaced by Schuylkill River

Fix end date for Montgomery County (1866-1916)

Create new relations to handle 1866 Philadelphia boundary change

Replace Newberry way with Schuylkill River way; move boundary to conform with 1866 change

Split City Line Avenue at 1866 change node

Add new line for 1866 Philadelphia boundary change

Split boundary/river ways in preparation for replacing former with latter

Add to Delaware County chronology

Add outer for Philadelphia boundary changes

Change order of chronology

Change ways for new Philadelphia boundary changes, add chronologies

Create new relations to handle Philadelphia boundary changes

Substitute pre-1927 boundary in vicinity of Bow Creek

Substitute pre-1916 boundary in vicinity of Cheltenham and Hasbrook Avenues

Substitute pre-1906 boundary in vicinity of Cobbs Creek at Darby Creek

Split 1916 way into 2 (separate streets)

Split ways at beginning and end of pre-1916 county boundary

Split ways at beginning and end of pre-1906 creek boundary

Combine stream segments from 1905 ascertainment/1906 change

Split ways at beginning and end of pre-1927 Bow Creek boundary